Low-pressure gas discharge lamp with phosphor coating
AssigneeKoninklijke Philips Electronics N.V.
InventorsThomas Juestel, Rainer Hilbig, Claus Feldmann, Hans-Otto Jungk, Walter Mayr
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Abstract
A low-pressure gas discharge lamp comprising a gas discharge vessel with a gas filling containing mercury, and comprising electrodes, means for igniting and maintaining a gas discharge, and a phosphor coating containing at least one phosphor layer and a UV-C phosphor and a phosphor that can be excited by UV-C radiation.
Claims9
A low-pressure gas discharge lamp comprising a gas discharge vessel with a gas filling containing mercury, and comprising electrodes, means for igniting and maintaining a gas discharge, and a phosphor coating containing at least one phosphor layer and a UV-C phosphor and a phosphor that can be excited by UV-C radiation, wherein the UV-C phosphor is present in a first phosphor layer and the phosphor that can be excited by UV-C radiation is present in a second phosphor layer.
Dependencies are inferred from the claim text.